diff --git a/lib/Slic3r/Print/Object.pm b/lib/Slic3r/Print/Object.pm
index 9c5479f27..ba04c6005 100644
--- a/lib/Slic3r/Print/Object.pm
+++ b/lib/Slic3r/Print/Object.pm
@@ -514,6 +514,9 @@ sub generate_support_material {
     my $threshold_rad           = deg2rad($Slic3r::Config->support_material_threshold + 1);   # +1 makes the threshold inclusive
     my $overhang_width          = $threshold_rad == 0 ? undef : scale $Slic3r::Config->layer_height * ((cos $threshold_rad) / (sin $threshold_rad));
     my $distance_from_object    = 1.5 * $flow->scaled_width;
+    my $pattern_spacing = ($Slic3r::Config->support_material_spacing > $flow->spacing)
+        ? $Slic3r::Config->support_material_spacing
+        : $flow->spacing;
     
     # determine support regions in each layer (for upper layers)
     Slic3r::debugf "Detecting regions\n";
@@ -577,7 +580,7 @@ sub generate_support_material {
             foreach my $expolygon (@support_material_areas) {
                 my @paths = $filler->fill_surface(
                     Slic3r::Surface->new(expolygon => $expolygon),
-                    density         => $flow->spacing / $Slic3r::Config->support_material_spacing,
+                    density         => $flow->spacing / $pattern_spacing,
                     flow_spacing    => $flow->spacing,
                 );
                 my $params = shift @paths;